﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;


    class Program
    {
        static void Main(string[] args)
        {
            string text = "Microsoft announced its next generation PHP compiler today."+
            "It is based on .NET Framework 4.0 and is implemented as a dynamic language in CLR.";

            string[] forbiddenArr = "PHP CLR Microsoft".Split(' ');
            for (int i = 0; i < forbiddenArr.Length; i++)
            {
                text = text.Replace(forbiddenArr[i], new string('*', forbiddenArr[i].Length));
            }
            Console.WriteLine(text);
        }
    }

